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If E1, E2 and E3 represent respectively...

If `E_1, E_2 and E_3` represent respectively the kinetic energies of an electron, an `alpha - particle` and a proton each having same de-Broglie wavelength, then

A

`E_(1) gt E_(3) gt E_(2)`

B

`E_(2) gt E_(3) gt E_(1)`

C

`E_(1) gt E_(2) gt E_(3)`

D

`E_(1) = E_(2) = E_(3)`

Text Solution

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Use `K.E.=(p^(2))/(2m)`
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